Texas Instruments LP38692 Handleiding
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LP38692
IN
OUT
SNS
**
GND
1 PF *
1 PF *
V
OUT
V
IN
V
EN
EN
LP38690
IN
OUT
SNS
**
GND
V
OUT
V
IN
1 µF*
1 µF*
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Design
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
LP38690
,
LP38692
SNVS322M–DECEMBER2004–REVISEDDECEMBER2015
LP38690,LP386921-ALowDropoutCMOSLinearRegulators
StablewithCeramicOutputCapacitors
1
1Features
1
•WideInputVoltageRange(2.7Vto10V)
•2.5%OutputAccuracy(25°C)
•LowDropoutVoltage:450mVat1A
(typical,5V
OUT
)
•Precision(Trimmed)BandgapReference
•EnsuredSpecificationsfor–40°Cto125°C
•1-µAOff-StateQuiescentCurrent
•ThermalOverloadProtection
•FoldbackCurrentLimiting
•3-LeadTO-252,5-LeadSOT-223,and6-Bump
WSONPackages
•EnablePin(LP38692)
•GroundPinCurrent:55µA(typical)atFullLoad
•PrecisionOutputVoltage:2.5%(25°C)Accuracy
2Applications
•HardDiskDrives
•NotebookComputers
•BatteryPoweredDevices
•PortableInstrumentation
3Description
TheLP38690andLP38692low-dropoutCMOSlinear
regulatorsprovidetightoutputtolerance(2.5%
typical),extremelylowdropoutvoltage(450mVata
1-Aloadcurrent,V
OUT
=5V),andexcellentAC
performanceutilizingultralowESRceramicoutput
capacitors.
ThelowthermalresistanceoftheWSON,SOT-223,
andTO-252packagesallowthefulloperatingcurrent
tobeusedeveninhighambienttemperature
environments.
TheuseofaPMOSpowertransistormeansthatno
DCbasedrivecurrentisrequiredtobiasitallowing
groundpincurrenttoremainbelow100µA
regardlessofloadcurrent,inputvoltage,oroperating
temperature.
DeviceInformation
(1)
PARTNUMBERPACKAGEBODYSIZE(NOM)
LP38690
TO-252(3)6.58mmx6.10mm
WSON(6)3.00mmx3.00mm
LP38692
SOT-223(5)6.50mmx3.56mm
WSON(6)3.00mmx3.00mm
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
SimplifiedSchematicforLP38690
*Minimumvaluerequiredforstability.
**WSONpackagedevicesonly.
SimplifiedSchematicforLP38692
*Minimumvaluerequiredforstability.
**WSONpackagedevicesonly.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LP38692 |
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